Solid Carbide Cutting Tools
HRC45 4-Flute Square End Mill
A black-coated solid carbide end mill engineered for stable, efficient milling of carbon steel, alloy steel, mold steel and cast iron with workpiece hardness up to HRC45.
Why Choose This End Mill
Technical Information
| Tool Material | Micro-grain solid carbide |
|---|---|
| Flute / End Style | 4 flutes / square end (flat end) |
| Coating | Black wear-resistant coating |
| Helix / Cutting Direction | Approx. 30°–35° / right-hand cutting |
| Recommended Hardness | Workpiece hardness up to HRC45 |
Recommended Materials
- Carbon steel
- Low-alloy steel
- Tool steel
- Mold steel
- Pre-hardened steel
- Gray cast iron
- Ductile cast iron
- Structural steel
Typical Applications
- Side milling
- Slot milling
- Shoulder milling
- Pocket machining
- Contour milling
- Flat-surface milling
- Semi-finishing
- Finish machining
Standard Size Chart
Use the chart below to compare cutter diameter, cutting length, shank diameter and overall length at a glance.
Reference Cutting Conditions
| Workpiece Material | Condition | Recommended Vc |
|---|---|---|
| Carbon steel | Below HRC30 | 80–120 m/min |
| Alloy steel | HRC30–40 | 60–90 m/min |
| Tool / mold steel | HRC40–45 | 45–70 m/min |
| Gray cast iron | Below 32 HRC | 55–90 m/min |
Reference values only. Adjust parameters according to tool diameter, workpiece hardness, machine rigidity, tool overhang, coolant and required surface finish.
Customization & OEM Service
Custom cutter diameter, flute length, overall length, shank diameter, carbide grade, coating, corner geometry, laser marking and private-label packaging are available.
Please include: required dimensions, workpiece material and hardness, machining operation, tolerance, coating and order quantity.
Need a Standard Size or Custom Tool?
Contact PENGFU TOOLS for product selection support, machining recommendations and a competitive quotation.
